Licensing Exams by Trade Name - Home Link

Washington DC
(312) Journeyman A/C and Refrigeration

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District of Columbia
Board of Industrial Trades

1100 4th St SW
Washington, DC  20024
Phone:  (202) 442-4400
Licensing Link

Exam Administrator

PSI Services LLC
DCOPLA Program

3210 E. Tropicana
Las Vegas, NV 89121
Phone:  (800) 733-9267
Candidate Bulletin Link
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Exam Type

OPEN  BOOK

Exam Content

Subject Areas% of
Questions
Theory, Systems Types, Terminology,
and General Requirements
32
Refrigerant and Condensate Piping12
Evaporators, Compressors, Condensers,
Chillers, Cooling Towers, Heat Pumps,
Heating and AC Appliances
10
Conditioned Air, Supply, Return, Makeup,
Combustion Air, Air Ducts, Dampers and Insulation
5
Electrical Fundamentals and Controls9
Refrigerants12
Operationing Procedures, including Safety12
Maintenance and Repairs8
Total number of test questions:
60
Time allowed (hours):
2.0

Books Allowed in the Exam

1.
International Mechanical Code, 2012, ICC
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2.
Modern Refrigeration and Air Conditioning, 18th Edition, 2004, Althous, Turnquist, Bowditch, Bracciano
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